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  2. Air Quality Implementation Plans

Iowa SIP: EPA Approved Iowa Regulations

EPA Approved Iowa Regulations
(40 CFR 52.820 (c), Part 62, and Part 70)

Iowa Department of Natural Resources [561] 
Natural Resources Department

ChapterTitle

Iowa Department of Natural Resources [567] 
Environmental Protection Commission

ChapterTitle
Chapter 2Public Records and Fair Information Practices (Note: Chapter 2 Rules are approved under Part 70 and are not SIP approved.)
Chapter 7Rules of Practice in Contested Cases (Note: Chapter 7 Rules are approved under Part 70 and are not SIP approved.)
Chapter 10Administrative Penalties  (Note: Chapter 10 Rules are approved under Part 70 and are not SIP approved.)
Chapter 21Compliance, Excess Emissions, and Measurement of Emissions
Chapter 22Controlling Air Pollution
Chapter 23Air Emission Standards
Chapter 24Operating Permits
Chapter 30Fees (Note: Rule 30.4 is approved under Part 70 and is not SIP approved.)
Chapter 31Nonattainment New Source Review
Chapter 33Construction Permit Requirements for Major Stationary Sources - Prevention of Significant Deterioration (PSD)

Local Agency Ordinances

EPA has approved rules and regulations for two local air pollution control agencies in Iowa. To view these Federally approved ordinances, select the geographic area of interest.

Linn County (Cedar Rapids)
Air Quality Ordinance, Chapter 10
Polk County (Des Moines)
Board of Health Rules and Regulations, Air Pollution Chapter V

Air Quality Implementation Plans

  • About Air Quality Implementation Plans
  • Approved Air Quality Implementation Plans
  • Develop an Air Quality SIP
  • Find a Regional Contact for Air Quality SIPs/FIPS/TIPs
  • Tools for SIP Status
Contact Us about Air Quality Implementation Plans
Contact Us about Air Quality Implementation Plans to ask a question, provide feedback, or report a problem.
Last updated on October 14, 2026
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